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DC Generators

DC Generators
A triplex wave winding will have parallel paths.

2
4
6
None of the listed here

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DC Generators
If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be

High
Zero
Small
The same as rated voltage

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DC Generators
The number of parallel paths in a simplex lap winding is equal to

2
None of the listed here
Number of poles
Number of pairs of poles

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DC Generators
The number of brushes in a commutator depends on

Speed of armature
Voltage
Amount of current to be collected
Type of winding

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DC Generators
The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is

2.8%
9.1%
11.3%
4.5%

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DC Generators
The nature of armature winding of a dc machine is decided by

Commutator pitch
None of the listed here
Front pitch
Back pitch

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